They provide fast, automated emergency shut-off of loading an dunloading valves for handling very hazardous chemicals, such as chlorine or ethylene oxide.

在进行涉及液氯和环氧乙烷之类高度危险性的化学品操作时，这种装置能够对装卸用的阀门进行快速、自动化的紧急切断。

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AS you can see from the video below, ATRIAS holds its own against a barrage of dodge balls, failing only when its emergency shut-off button is accidentally struck by a ball.

你可以从下面的视频中看到，ATRIAS持有它自己对攻势闪避球的，只有失败的时候它的紧急关闭按钮时不慎被球击中。

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The engines shut off automatically in an emergency.

遇到紧急情况发动机便自动停止工作。

《牛津词典》

In addition, he said, blowout preventers the giant emergency shut-off valves that failed on the Deepwater Horizon are located aboard drilling rigs in shallow-water operations, not on the seafloor.

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As temperatures soared to the triple-digits for the 37th consecutive day Sunday, city officials made an emergency decision to shut off the town's water supply.

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